Water conservancy construction cofferdam

Through the combined structure of the cofferdam base, closed pillars and docking pillars, combined with the use of threaded support grooves and tightening bolts, and the inflation function of the closed airbag, the problem of insufficient sealing of traditional cofferdams is solved, and effective water level control and environmental protection in the construction area are achieved.

CN223446196UActive Publication Date: 2025-10-17LISHUI LICHI MUNICIPAL GARDEN CO LTD
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Patent Information

Application Number
CN202422923284.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-10-17
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

During the construction process, traditional cofferdams are not sufficiently sealed due to material properties and structural design, which makes leakage prone and makes it impossible to effectively control the water level.

Method used

A combined structure of cofferdam base, closed pillars, docking pillars and cofferdam baffles is adopted. The stable docking of the cofferdam baffles is achieved through the cooperation of threaded support grooves and tightening bolts, and the gaps are further closed using closed air bags and inflation valves.

Benefits of technology

The sealing performance of the cofferdam is improved, the water level control in the construction area and the stability of the construction environment are ensured, and leakage is avoided.

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Abstract

The utility model provides a water conservancy construction cofferdam, relates to the technical field of water conservancy construction assistive devices, and aims to solve the problems that the traditional cofferdams need to be spliced for use, most cofferdams are insufficient in sealing property, and the water level in the cofferdams cannot be effectively controlled due to the leakage phenomenon easily caused by material performance and structural design. Comprising a cofferdam base, closed supporting columns, butt-joint supporting columns and cofferdam baffles. An assembly top groove is formed in the cofferdam base baffle; the closed supporting column is installed on the top of the cofferdam base. The butt-joint supporting columns are installed on the top of the cofferdam base. The cofferdam baffle is arranged on the top of the cofferdam base through the assembling top groove and arranged between the closed supporting column and the butt-joint supporting column. The cofferdam baffles are limited and pressed through rotating adjustment of the pressing bolts, the cofferdam baffles are stably in butt joint through supporting of the closed supporting columns, the closed air bags are arranged on the inner sides of the closed loading grooves in an expanding mode through cooperation of the air pump and the inflation valve, and butt joint gaps of the cofferdam baffles are further closed.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of water conservancy construction auxiliary appliance, more specifically, it is especially related to a water conservancy construction cofferdam. BACKGROUND

[0002] In the field of water conservancy engineering in China, cofferdam as a kind of temporary water retaining structure is widely used in river regulation, reservoir dam construction, wharf construction and other engineering, and the main function of cofferdam is to isolate construction area from water area to create dry land operation condition for construction, in water conservancy engineering construction, the closure of cofferdam is the key factor to ensure construction quality and safety, and the closure of cofferdam directly affects the water level control, soil stability and construction environment protection in construction area.

[0003] Based on the above, the traditional cofferdam needs to be spliced for use, and most cofferdams have insufficient closure, and due to the material performance and structural design, leakage phenomenon is prone to occur in the construction process, which leads to the problem that the water level in the cofferdam cannot be effectively controlled. UTILITY MODEL CONTENT

[0004] In order to solve the above technical problems, the utility model provides a kind of water conservancy construction cofferdam to solve the problem that the traditional cofferdam needs to be spliced for use, and most cofferdams have insufficient closure, and due to the material performance and structural design, leakage phenomenon is prone to occur in the construction process, which leads to the problem that the water level in the cofferdam cannot be effectively controlled.

[0005] The utility model discloses a kind of water conservancy construction cofferdams, by following specific technical means is achieved:

[0006] A kind of water conservancy construction cofferdam, including cofferdam base, closed pillar, butt joint pillar and cofferdam baffle;

[0007] The cofferdam base baffle is provided with an assembly top groove;The closed pillar is fixedly installed on the top of cofferdam base, and the butt joint column is fixedly installed on the side surface of the closed pillar, and the assembly side groove is provided on the side surface of the closed pillar, and the assembly support block is fixedly installed on the inner side of the assembly side groove;The butt joint pillar is fixedly installed on the top of cofferdam base, and the butt joint pillar is provided with a threaded branch groove on the side surface, and the threaded branch groove is provided with a compression bolt by thread structure on the inner side, and the hoisting branch groove is provided on the top end of the butt joint pillar;The cofferdam baffle is arranged on the top of cofferdam base through the assembly top groove, and the cofferdam baffle is arranged between the closed pillar and the butt joint pillar, and the cofferdam baffle is provided with a butt joint slot on the side surface, and the cofferdam baffle is provided with a closed load groove on the side surface, and the cofferdam baffle is provided with an installation slot on the bottom.

[0008] In at least some embodiments, the side surface of the cofferdam base is further provided with a seat bottom groove and an assembly support ring;

[0009] The seat bottom groove is provided on the bottom of the cofferdam base;The assembly support ring is fixedly installed on the inner side of the assembly top groove.

[0010] In at least some embodiments, the assembly side groove inner side is further provided with: a closed air bag and an inflation valve;

[0011] The closed air bag is fixedly arranged on the assembly side groove inner side; the inflation valve is fixedly arranged on the top end of the closed air bag, and the inflation valve is fixedly arranged on the assembly support block inner side.

[0012] In at least some embodiments, the butt joint support post side is provided with: a reinforcing support frame and an assembly clamping groove;

[0013] The assembly clamping groove is arranged on the side of the reinforcing support frame; the reinforcing support frame is sleeved on the side of the butt joint support post through the assembly clamping groove.

[0014] In at least some embodiments, the cofferdam baffle top is provided with: a lifting support block and a lifting slot;

[0015] The lifting support block is fixedly installed on the cofferdam baffle top; the lifting slot is arranged on the side of the lifting support block.

[0016] The water conservancy construction cofferdam provided by the utility model has the following beneficial effects:

[0017] The utility model discloses a water conservancy construction cofferdam has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structure schematic drawing of the whole part assembly of the construction cofferdam of the utility model;

[0019] Figure 2 It is the structure schematic drawing of the whole part assembly of the cofferdam base of the utility model;

[0020] Figure 3 It is the structure schematic drawing of the whole part assembly of the closed support post of the utility model;

[0021] Figure 4 It is the structure schematic drawing of the whole part assembly of the butt joint support post of the utility model;

[0022] Figure 5 It is a structural schematic diagram of the assembly and disassembly arrangement of the cofferdam baffle integral components of the utility model.

[0023] Reference numerals:

[0024] 1. Cofferdam base;

[0025] 101, seat bottom groove; 102, assemble top groove; 103, assemble support ring;

[0026] 2. Closed pillars;

[0027] 201, docking column; 202, assembly side groove; 203, assembly support block; 204, closed airbag; 205, inflation valve;

[0028] 3. Docking pillars;

[0029] 301, threaded support groove; 302, tightening bolt; 303, lifting support groove; 304, reinforcement support frame; 305, assembly slot;

[0030] 4. Cofferdam baffle;

[0031] 401. Docking slot; 402. Closing the loading slot; 403. Installing the slot; 404. Lifting the support block; 405. Lifting the slot. DETAILED DESCRIPTION

[0032] The following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings and examples.

[0033] Example 1: Figures 1 to 5 As shown, the utility model provides a water conservancy construction cofferdam, comprising a cofferdam base 1, a closed support 2, a docking support 3 and a cofferdam baffle 4;

[0034] The baffle of the cofferdam base 1 is provided with an assembly top groove 102; the closed pillar 2 is fixedly installed on the top of the cofferdam base 1, and a docking column 201 is fixedly installed on the side of the closed pillar 2. An assembly side groove 202 is provided on the side of the closed pillar 2, and an assembly support block 203 is fixedly installed on the inner side of the assembly side groove 202; the docking pillar 3 is fixedly installed on the top of the cofferdam base 1, and a threaded support groove 301 is provided on the side of the docking pillar 3. A tightening bolt 302 is provided on the inner side of the threaded support groove 301 through a threaded structure, and a lifting support groove 303 is provided through the top of the docking pillar 3; the cofferdam baffle 4 is arranged on the top of the cofferdam base 1 through the assembly top groove 102, and the cofferdam baffle 4 is arranged between the closed pillar 2 and the docking pillar 3, a docking slot 401 is provided on the side of the cofferdam baffle 4, a closed loading groove 402 is provided on the side of the cofferdam baffle 4, and an installation slot 403 is provided at the bottom of the cofferdam baffle 4.

[0035] Example 2: Figures 2 to 5As shown, the side of the butt joint pillar 3 is provided with: a reinforcing support frame 304 and an assembly clamping groove 305; the assembly clamping groove 305 is opened on the side of the reinforcing support frame 304; the reinforcing support frame 304 is sleeved on the side of the butt joint pillar 3 through the assembly clamping groove 305; the cofferdam baffle 4 is provided with: a lifting support block 404 and a lifting slot 405 on the top; the lifting support block 404 is fixedly installed on the top of the cofferdam baffle 4; the lifting slot 405 is opened through the side of the lifting support block 404; the reinforcing support frame 304 is fixedly supported on the side of the butt joint pillar 3 through the assembly clamping groove 305, so that the reinforcing support frame 304 reinforces and supports the butt joint pillar 3.

[0036] Embodiment three: as Figures 2 to 4 As shown, the side of the cofferdam base 1 is also provided with: a seat bottom groove 101 and an assembly support ring 103; the seat bottom groove 101 is opened on the bottom of the cofferdam base 1; the assembly support ring 103 is fixedly installed on the inner side of the assembly top groove 102; the inner side of the assembly side groove 202 is also provided with: a closed air bag 204 and an inflation valve 205; the closed air bag 204 is fixedly arranged on the inner side of the assembly side groove 202; the inflation valve 205 is fixedly arranged on the top end of the closed air bag 204, and at the same time, the inflation valve 205 is fixedly arranged on the inner side of the assembly support block 203; the closed air bag 204 is inflated through the inflation valve 205, and is arranged on the inner side of the closed load groove 402 at the butt joint of the two groups of cofferdam baffles 4.

[0037] The specific use and effect of the embodiment: in use, the cofferdam base 1 is hoisted and arranged on the area to be constructed through the butt joint pillar 3, the cofferdam baffle 4 is arranged on the top of the cofferdam base 1 through the assembly top groove 102, the cofferdam baffles 4 are fixedly butt jointed, the butt joint pillar 3 positions and bears the compression bolts 302, the cofferdam baffles 4 are limited and compressed through the rotation adjustment of the compression bolts 302, and the closed air bag 204 is arranged on the inner side of the closed load groove 402 through the cooperation of the air pump and the inflation valve 205.

Claims

1. A water conservancy construction cofferdam, comprising: A cofferdam base (1), a closing support (2), a docking support (3) and a cofferdam baffle (4); The baffle plate of the cofferdam base (1) is provided with an assembly top groove (102); it is characterized in that the closed pillar (2) is fixedly installed on the top of the cofferdam base (1), a docking column (201) is fixedly installed on the side of the closed pillar (2), an assembly side groove (202) is provided on the side of the closed pillar (2), and an assembly support block (203) is fixedly installed on the inner side of the assembly side groove (202); the docking pillar (3) is fixedly installed on the top of the cofferdam base (1), a threaded support groove (301) is provided on the side of the docking pillar (3), and the threaded support groove ( A tightening bolt (302) is provided on the inner side of the cofferdam baffle (301) through a threaded structure, and a lifting support groove (303) is provided through the top of the docking support (3); the cofferdam baffle (4) is arranged on the top of the cofferdam base (1) through the assembly top groove (102), and the cofferdam baffle (4) is arranged between the closed support (2) and the docking support (3), a docking slot (401) is provided on the side of the cofferdam baffle (4), a closed loading slot (402) is provided on the side of the cofferdam baffle (4), and an installation slot (403) is provided at the bottom of the cofferdam baffle (4).

2. A water conservancy construction cofferdam according to claim 1, characterized in that: The side surface of the cofferdam base (1) is further provided with: a seating bottom groove (101) and an assembly support ring (103); The seating bottom groove (101) is provided at the bottom of the cofferdam base (1); and the assembly support ring (103) is fixedly installed on the inner side of the assembly top groove (102).

3. A water conservancy construction cofferdam according to claim 1, characterized in that: The inner side of the assembly side groove (202) is further provided with: a closed air bag (204) and an inflation valve (205); The closed air bag (204) is fixedly arranged on the inner side of the assembly side groove (202); the inflation valve (205) is fixedly arranged on the top of the closed air bag (204), and the inflation valve (205) is fixedly arranged on the inner side of the assembly support block (203).

4. A water conservancy construction cofferdam according to claim 1, characterized in that: The side surface of the docking pillar (3) is provided with: a reinforcement frame (304) and an assembly slot (305); The assembly slot (305) is provided on the side of the reinforcement support frame (304); the reinforcement support frame (304) is sleeved on the side of the docking pillar (3) through the assembly slot (305).

5. A water conservancy construction cofferdam according to claim 1, characterized in that: The top of the cofferdam baffle (4) is provided with: a lifting support block (404) and a lifting slot (405); The hoisting support block (404) is fixedly mounted on the top of the cofferdam baffle (4); and the hoisting slot (405) is opened through the side of the hoisting support block (404).